/*
 * Copyright (C) 2009 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.zxing.client.android.book;

import android.content.Intent;
import android.net.Uri;
import android.view.View;
import android.widget.AdapterView;
import com.google.zxing.client.android.LocaleManager;

import java.util.List;

final class BrowseBookListener implements AdapterView.OnItemClickListener {

	private final SearchBookContentsActivity activity;
	private final List<SearchBookContentsResult> items;

	BrowseBookListener(SearchBookContentsActivity activity, List<SearchBookContentsResult> items) {
		this.activity = activity;
		this.items = items;
	}

	@Override
	public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
		if (position < 1) {
			// Clicked header, ignore it
			return;
		}
		int itemOffset = position - 1;
		if (itemOffset >= items.size()) {
			return;
		}
		String pageId = items.get(itemOffset).getPageId();
		String query = SearchBookContentsResult.getQuery();
		if (LocaleManager.isBookSearchUrl(activity.getISBN()) && !pageId.isEmpty()) {
			String uri = activity.getISBN();
			int equals = uri.indexOf('=');
			String volumeId = uri.substring(equals + 1);
			String readBookURI = "http://books.google." + LocaleManager.getBookSearchCountryTLD(activity) + "/books?id="
					+ volumeId + "&pg=" + pageId + "&vq=" + query;
			Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(readBookURI));
			intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
			activity.startActivity(intent);
		}
	}
}
